<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<h1>HTML Headings</h1>
<h1>This is heading 1</h1>
<h2>This is heading 2</h2>
<h3>This is heading 3</h3>
<h4>This is heading 4</h4>
<h5>This is heading 5</h5>
<h6>This is heading 6</h6>
<hr>
<h1>HTML Horizontal Rules</h1>
<h4>This is heading 1</h4>
<p>This is some text.</p>
<hr>
<h4>This is heading 2</h4>
<p>This is some other text.</p>
<hr>
<hr>
<!-- This is a comment -->
<p>This is a paragraph.</p>
<p>This is a paragraph.</p>
<p>This is a <br> paragraph.</p>
<hr>
<h1>The HTML &lt;pre&gt; Element</h1>
<p>
    My Bonnie lies over the ocean.

    My Bonnie lies over the sea.

    My Bonnie lies over the ocean.

    Oh, bring back my Bonnie to me.
</p>

</body>
</html>